APA
Curriculum Development Institute Of Singapore, . (1993). Primary Mathematics 3A. Singapur: .
Chicago
Curriculum Development Institute Of Singapore, . 1993. Primary Mathematics 3A. Singapur: .
Harvard
Curriculum Development Institute Of Singapore, . (1993). Primary Mathematics 3A. Singapur: .
MLA
Curriculum Development Institute Of Singapore, . Primary Mathematics 3A. Singapur: . 1993.
